Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 15/7 from 2/15

1st number: 2/15, 2nd number: 2 1/7

2/15 - 15/7 is -211/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105
  2. For the 1st fraction, since 15 × 7 = 105,
    2/15 = 2 × 7/15 × 7 = 14/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    15/7 = 15 × 15/7 × 15 = 225/105
  4. Subtract the two fractions:
    14/105 - 225/105 = 14 - 225/105 = -211/105

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com